Marsha Ambrosius-Billups, born Marsha Angelique Ambrosius (born 8 August 1977) is an English singer and songwriter. She began her music career in the early 2000s with Floetry, achieving both critical
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe20a9f1af44ec4758937069cc80619dc39ae21bc352aad97e27d093010af89b1. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/576ef3a9-c5f3-4bef-a802-6836bf198d34.json and https://artists.proofprofile.net/proofs/artist/576ef3a9-c5f3-4bef-a802-6836bf198d34.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hope She Cheats On You (With A Basketball Player)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ac896c9194ecf321b3e0a75717efe57d8b4f37bbb599c8af0f8e70aaffc71f8. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJAY1000066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7734e1f268a1ffd6c6413097c6cd37d16594464a2a59e3a3d30fc97c006b0234. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJAY1000231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe64782875ae7e536cd338a0128ad8f933d2353f1a134c0ff00c5d237c2a475b. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJAY1100001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x008d85e870836a109733907b6703b591f617c5e44e2482665c1a52d4a979b7b7. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJAY1100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36b769fd71c2dbd0268e7ee5b17e09e62b865b684cebbd7c24b2099574ef50f5. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T19:45:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJAY1100008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9a0c9433a71b94edaebc1d3d58c3f33367b624273622ed6c612c74aecb2ae8c. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJAY1100009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65b770efd828cfcde3d9aea96728f040227741d943309428d6178efd8c32c39e. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJAY1100010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b3418857cabd1e7e802e50d85272c77352d47e240377f31cc8b329fea3802bb. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJAY1100002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85fdc7576c6e0c4919713211045a4b328c330bb49086b071bc7bfba7ef4c9ef0. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJAY1100070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1467f069babcede33a34f5d501729fd8acc7c1009433e871f12c380943b8f1ba. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11201362.
Without You (feat. Ne-Yo) [Clean Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7020953cd388705d801c158ae23029568cf9bf9d42cc064a29f5630a45d6c035. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11401376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb2d7875420b559ed47d88426f6f91396b0e5516743516040f09100704b343ec. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11401371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56c996e6d1ee76238cf13efd80c1d2797b48af26d761dee86ed2f58373355bc7. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11300164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0d035eef1bcfa521e68b23226c8d37c4fdce2302497b6a7f9e20ca4cd1cc43a. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11401319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd14ff0b2d777b0877b6ad5bd9669a65314f3e61c02e5172f4e9f2a1218f2926. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11401375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7020953cd388705d801c158ae23029568cf9bf9d42cc064a29f5630a45d6c035. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11401376.
Cupid (Shot Me Straight Through My Heart)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d5f232c2ad87f9fdb5357719d821414a17b4c38d7a70679f0e9ea4922a4854b. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11401377.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6025f4d9ad204f24a0da619f80de38b2fe9c038cf49e119a59f792bb0ea5cef2. Chain 2 (Bitcoin): anchored in block 957827 (2026-07-13T08:59:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11400563.
Spend All My Time (feat. Charlie Wilson)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1aadf2777adaf7f12aef80a6cd8ac6ff367cefb1dab07a37a8e350dfffa1647. Chain 2 (Bitcoin): anchored in block 958401 (2026-07-17T11:10:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11401380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e5e84553fbff18d2efdd19ccb7338275338a92535b33d12c8424fca988c4fd3. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11401381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2aa9b9415b8bdc29e44e82e88501c42b3b815a4abc78a70c3c6fea93807d73e. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11800805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7a53274bed4f185658fcf2735c45d87c9f85da2febbca7fe9a1c2040285727e. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11800807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe695c14675b3c9e6840e5933ee7a2c53ed7f40d6b4ba017cd38e54ab99ffc58. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11800809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x483dd0e1e036996b61a0c7f73c8c5da4186ab3b595102ca24836717def9321ca. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11800815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e5268afd655020dfb55340f5a34aee1a6c9a1b11f6e9a43376e6b5b3a520c3. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG12302730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24ed5ba277737c1f1cf9d9a153d6860bc70f2b83566db7edfd94cc3b8777c026. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG12302726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x163d51db3e84195f5afc7f9ca7377867e39400222a9699cbf19aa606bbba49b7. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG12302725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24ed5ba277737c1f1cf9d9a153d6860bc70f2b83566db7edfd94cc3b8777c026. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG12302726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62956279cc0befc1c546eaf72074d0e3561db283e09db313aeca8603d333705e. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T09:41:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG12302727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e5268afd655020dfb55340f5a34aee1a6c9a1b11f6e9a43376e6b5b3a520c3. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG12302730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99ff55cab03d469d39dd753b279a63cfa85ba36091acf99ba91a4f0ceb586808. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG12303104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92e31fbf598aad63d3470ff8a5ae97642aea4f4e0f06956484d2d80831e67c22. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG12303105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5b2f8c7ad0f1be7319e24a1d76f2f5e36233e6d9efbcefd8a81d197103b6c44. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:50:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG12303107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbacbb032381dfe63149ecd358a12238af3e9e6773ab427fce3c4f750dbeeb3d. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG12303109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff8ddf25c9929514de76bb56626c5e7a493db7ef6a5ad34a311246a9e34aa4ad. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71714036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92c6e0732789b3c3ded8a0622096db11544b93616867fc7d16978d81ab896e41. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70972223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c7c6a30c8179df778cc08cfe4ff034a215d77474637359e25759b53d7b2cd4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71306906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c7c6a30c8179df778cc08cfe4ff034a215d77474637359e25759b53d7b2cd4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71306906.
Yacht Music (feat. Nas, Willie the Kid, Scarface & Marsha Ambrosius)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd12f2d6be8e577c8ed917826b44f9423ff1e3ee9392873543b496d9c507015cb. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT20804789.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4553ad7c7174118ee1c272e014ace54e201e8fb46b7fed859833fea6169b8ad. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG12308390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92efa8831a02e122d5677c3930b57dc32aa3188d342e2165d59fdad371d1a1e8. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG11900430.
Sol-Angel and the Hadley St. Dreams (Deluxe)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf84191c40bb2f6d66577401984357a922ffebbfc193b620566d8083ff20864b6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P1510155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe9fb42157511a93c3c9505140deb05e15658767772fa91a0ad6d7234c47ee1a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70999202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3f3e52555806608fe615c6db4b7f9a4e308d144ce6c36f8b448c21a990862b7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCM51200051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f0738a9dfd8dd66fbee7e8fcb119790f028a8e46c79548b2989f292652448bd. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT21705214.
Make It Through The Night (feat. Marsha Ambrosius and Jadakiss)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d357e8e51ec7ed52285afe18f027a2e3192badcffd6c20df7bfa99489f4d3cf. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11501521.
Wonder What You're Doing for the Rest of Your Life (feat. Marsha Ambrosius)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf24afd456cfccf1ff8d73740334f8e4e4942ddbd2630ee4096c7813c7f1282f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11405354.
See I Miss Pt. 2 (feat. Marsha Ambrosius)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39564d224d87ecc76606afd450b0570ed194c346430d16ac1b7ddf99d9e1840c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC11602648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9485a6d022fa1230e6fc3994e974b0fe5a18f541c723e37b1930ec8b29a7501. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70620819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc2644e1df0dae7b6c2588823ce1aea50c57d5ce1d00dc2baba1923ddcfb9274. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US25T0911904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10de59b0f01bee0388ac914e45a34522ccbd7820203a9deea36dccbc2339d175. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA561428906.
Melatonin (feat. Marsha Ambrosius & Yebba)
We got it from Here... Thank You 4 Your service
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb45094cd1526fa33359272a2e79e17c3679fc1dc73f21dbfe4bea6fac3196450. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11609285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5be16c4212ba3cd51ba17c15f8d21b46cfe38acf10298b876ff0d22f7581573. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWB11200722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa718fd0b71070a3fb0a13d3b9005e10f58a0bb6ee5671a3a6ace7b2a11ad4514. Chain 2 (Bitcoin): anchored in block 960179 (2026-07-30T00:39:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USVPR1600597.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch